Accounts Payable Current Accounts payable Accounts Receivable Gross Current Accounts receivable, gross Accounts Receivable Net Current Accounts receivable, net Account receivable, net Accrued Employee Benefits Current Accrued compensation and benefits Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Accumulated depreciation and amortization Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income Ending Balance Beginning Balance Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Additional Paid In Capital Additional paid-in capital Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Allocated Share Based Compensation Expense Stock-based compensation expense before income taxes Allocated Share Based Compensation Expense Net Of Tax Stock-based compensation expense after income taxes Allowance For Doubtful Accounts Receivable Current Allowance for doubtful accounts Amendment Flag Amendment Flag Amortization Of Intangible Assets Amortization expense Amount Drawn Under Revolving Credit Facility Amount Drawn Under Revolving Credit Facility Amount drawn under Revolving Credit Facility Amounts Available To Borrow Under Credit Agreement Amounts Available To Borrow Under Credit Agreement Available credit under its Revolving Credit Facility Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Potentially dilutive shares excluded from the diluted income per share computation because their effect would have been anti-dilutive Asset Impairment Charges Asset impairment charges Asset impairment charges Assets Total assets Assets [Abstract] Assets Assets Current Total current assets Assets Current [Abstract] Current assets: Assets Fair Value Disclosure Total financial assets Award Type [Axis] Award Type [Axis] Balance Sheet Components [Line Items] Balance Sheet Components [Line Items] Balance Sheet Components [Line Items] Balance Sheet Components [Table] Balance Sheet Components [Table] Balance Sheet Components [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Bankruptcy claims, disputed shares Bankruptcy Claims Disputed Shares Bankruptcy claims, disputed shares Bankruptcy claims, disputed value Bankruptcy Claims Disputed Value Bankruptcy claims, disputed value Basis Of Presentation And Significant Accounting Policies [Text Block] Basis of Presentation Building And Building Improvements [Member] Buildings And Leasehold Improvements [Member] Carrying Reported Amount Fair Value Disclosure [Member] Carrying Amount [Member] Cash Cash Cash And Cash Equivalents At Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net increase (decrease) in cash and cash equivalents Cash Cash Equivalents And Short Term Investments Cash, cash equivalents,and short-term investments Total short term investments and cash equivalents excluding cash and FDIC insured deposits. Cash Excluded From Short Term Investments And Cash Equivalents Cash excluded from short-term investments and cash equivalents Cash Flow Hedges [Member] Cash Flow Hedges [Member] Cash Flow Hedges [Member] Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Non-cash investing and financing activities: Certificates Of Deposit At Carrying Value FDIC insured certificates of deposit Class Of Stock [Domain] Class of Stock [Domain] Commercial Paper At Carrying Value Commercial paper Commercial Paper [Member] Commercial Paper [Member] Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Common Class A [Member] Class A Common Stock [Member] Common Class B [Member] Class B Common Stock [Member] Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock Comprehensive Income Net Of Tax Comprehensive income attributable to Spansion Inc. Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest Less: Comprehensive loss attributable to noncontrolling interest Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Total comprehensive income Consolidation Policy [Text Block] Principles of Consolidation Construction In Progress [Member] Construction In Progress [Member] Cost Of Goods And Services Sold Cost of sales Cost Of Sales [Member] Cost Of Sales [Member] Current Fiscal Year End Date Current Fiscal Year End Date Customer Relationships [Member] Customer Relationships [Member] Debt Disclosure [Text Block] Debt Debt Instrument Basis Spread On Variable Rate LIBOR interest rate above floor rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Deferred Income Tax Expense Benefit Provision (benefit) for deferred income taxes Deferred Revenue Current Deferred income Deferred Tax Assets Net Current Deferred income taxes Deferred Tax Assets Operating Loss Carryforwards Domestic U.S. federal net operating loss carry forwards Deferred Tax Assets Operating Loss Carryforwards State And Local State net operating loss carry forwards Deferred Tax Liabilities Current Deferred income taxes, short-term Deferred Tax Liabilities Noncurrent Deferred income taxes Depreciation And Amortization Depreciation and amortization Derivative Contract Type [Domain] Derivative Contract Type [Domain] Derivative Description Of Variable Rate Basis Counterparty payment of swap interest, description Derivative, Expiration Dates Derivative Expiration Dates Swap agreements, expiration date Derivative Fixed Interest Rate Swap counterparty, fixed rate Derivative Floor Interest Rate Counterparty payment of swap interest, floor rate Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Instruments And Hedging Activities Disclosure [Text Block] Derivative Financial Instruments Derivative Instruments Gain Loss Recognized In Income Net Foreign exchange forward contracts Derivative Instruments Gain Loss Recognized In Income On Related Hedged Items Net Derivative Instruments Gain Loss Recognized In Income On Related Hedged Items Net Gains or losses recognized in interest and other income (expense), net Derivative Instruments Loss Recognized In Income Swap interest expense Derivative Liability Fair Value Net 1 Interest rate Swap Derivative [Line Items] Derivative [Line Items] Derivative Notional Amount Swap agreements, aggregate notional amount Derivatives designated as hedging instruments Derivatives Designated As Hedging Instruments Derivatives designated as hedging instruments Derivative [Table] Derivative [Table] Description Of New Accounting Pronouncements Not Yet Adopted Recent Accounting Pronouncements Designated As Hedging Instrument [Member] Derivatives Designated as Hedging Instrument [Member] Developed Technology [Member] Developed Technology [Member] Developed Technology [Member] Disclosure - Balance Sheet Components (Narrative) [Abstract] Disclosure Balance Sheet Components Narrative [Abstract] Disclosure - Balance Sheet Components (Narrative) [Abstract] Disclosure - Balance Sheet Components (Schedule Of Balance Sheet Components) [Abstract] Disclosure Balance Sheet Components Schedule Of Balance Sheet Components [Abstract] Disclosure - Balance Sheet Components (Schedule Of Balance Sheet Components) [Abstract] Disclosure - Commitments And Contingencies (Narrative) [Abstract] Disclosure Commitments And Contingencies Narrative [Abstract] Disclosure - Commitments And Contingencies (Narrative) [Abstract] Disclosure - Commitments And Contingencies (Schedule Of Changes In The Liability For Product Warranty) [Abstract] Disclosure Commitments And Contingencies Schedule Of Changes In The Liability For Product Warranty [Abstract] Disclosure - Commitments And Contingencies (Schedule Of Changes In The Liability For Product Warranty) [Abstract] Disclosure - Debt (Summary Of Debt) [Abstract] Disclosure Debt Summary Of Debt [Abstract] Disclosure - Debt (Summary Of Debt) [Abstract] Disclosure - Derivative Financial Instruments (Effect Of Derivative Instruments On The Consolidated Statements Of Operations) [Abstract] Disclosure Derivative Financial Instruments Effect Of Derivative Instruments On The Consolidated Statements Of Operations [Abstract] Disclosure - Derivative Financial Instruments (Effect Of Derivative Instruments On The Consolidated Statements Of Operations) [Abstract] Disclosure - Derivative Financial Instruments (Gross Fair Values Of Instruments On The Condensed Consolidated Balance Sheets) [Abstract] Disclosure Derivative Financial Instruments Gross Fair Values Of Instruments On The Condensed Consolidated Balance Sheets [Abstract] Disclosure - Derivative Financial Instruments (Gross Fair Values Of Instruments On The Condensed Consolidated Balance Sheets) [Abstract] Disclosure - Derivative Financial Instruments (Narrative) [Abstract] Disclosure Derivative Financial Instruments Narrative [Abstract] Disclosure - Derivative Financial Instruments (Narrative) [Abstract] Disclosure - Derivative Financial Instruments (Summary Of Derivative-Related Activity In Accumulated Other Comprehensive Income) [Abstract] Disclosure Derivative Financial Instruments Summary Of Derivative Related Activity In Accumulated Other Comprehensive Income [Abstract] Disclosure - Derivative Financial Instruments (Summary Of Derivative-Related Activity In Accumulated Other Comprehensive Income) [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Narrative) [Abstract] Disclosure Equity Incentive Plan And Stock Based Compensation Narrative [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Narrative) [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Activities And Related Information For Options) [Abstract] Disclosure Equity Incentive Plan And Stock Based Compensation Schedule Of Activities And Related Information For Options [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Activities And Related Information For Options) [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Activities And Related Information For RSU) [Abstract] Disclosure Equity Incentive Plan And Stock Based Compensation Schedule Of Activities And Related Information For R S U [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Activities And Related Information For RSU) [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Numbers Of Shares Of Common Stock Available For Grant) [Abstract] Disclosure Equity Incentive Plan And Stock Based Compensation Schedule Of Numbers Of Shares Of Common Stock Available For Grant [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Numbers Of Shares Of Common Stock Available For Grant) [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Total Recorded Stock-Based Compensation Expense) [Abstract] Disclosure Equity Incentive Plan And Stock Based Compensation Schedule Of Total Recorded Stock Based Compensation Expense [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Total Recorded Stock-Based Compensation Expense) [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Weighted Average Fair Value Of Stock Options Granted) [Abstract] Disclosure Equity Incentive Plan And Stock Based Compensation Schedule Of Weighted Average Fair Value Of Stock Options Granted [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Schedule Of Weighted Average Fair Value Of Stock Options Granted) [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Weighted Average Fair Value Of Granted Stock Options) [Abstract] Disclosure Equity Incentive Plan And Stock Based Compensation Weighted Average Fair Value Of Granted Stock Options [Abstract] Disclosure - Equity Incentive Plan And Stock-Based Compensation (Weighted Average Fair Value Of Granted Stock Options) [Abstract] Disclosure - Fair Value Measurement (Financial Assets And Liabilities Categorized Based Upon The Fair Value Hierarchy) [Abstract] Disclosure Fair Value Measurement Financial Assets And Liabilities Categorized Based Upon The Fair Value Hierarchy [Abstract] Disclosure - Fair Value Measurement (Financial Assets And Liabilities Categorized Based Upon The Fair Value Hierarchy) [Abstract] Disclosure - Fair Value Measurement (Schedule Of Financial Instruments Not Carried At Fair Value) [Abstract] Disclosure Fair Value Measurement Schedule Of Financial Instruments Not Carried At Fair Value [Abstract] Disclosure - Fair Value Measurement (Schedule Of Financial Instruments Not Carried At Fair Value) [Abstract] Disclosure - Income Taxes (Components Of Income Tax Expenses) [Abstract] Disclosure Income Taxes Components Of Income Tax Expenses [Abstract] Disclosure - Income Taxes (Components Of Income Tax Expenses) [Abstract] Disclosure - Income Taxes (Narrative) [Abstract] Disclosure Income Taxes Narrative [Abstract] Disclosure - Income Taxes (Narrative) [Abstract] Disclosure - Intangible Assets And Goodwill (Narrative) [Abstract] Disclosure Intangible Assets And Goodwill Narrative [Abstract] Disclosure - Intangible Assets And Goodwill (Narrative) [Abstract] Disclosure - Intangible Assets And Goodwill (Schedule Of Goodwill ) [Abstract] Disclosure Intangible Assets And Goodwill Schedule Of Goodwill [Abstract] Disclosure - Intangible Assets And Goodwill (Schedule Of Goodwill ) [Abstract] Disclosure - Intangible Assets And Goodwill (Schedule Of Intangible Assets) [Abstract] Disclosure Intangible Assets And Goodwill Schedule Of Intangible Assets [Abstract] Disclosure - Intangible Assets And Goodwill (Schedule Of Intangible Assets) [Abstract] Disclosure - Intangible Assets And Goodwill (Summary Of Amortization Expense And Estimated Future Amortization Expenses) [Abstract] Disclosure Intangible Assets And Goodwill Summary Of Amortization Expense And Estimated Future Amortization Expenses [Abstract] Disclosure - Intangible Assets And Goodwill (Summary Of Amortization Expense And Estimated Future Amortization Expenses) [Abstract] Disclosure - Intangible Assets And Goodwill (Useful Life Of Intangible Assets) [Abstract] Disclosure Intangible Assets And Goodwill Useful Life Of Intangible Assets [Abstract] Disclosure - Intangible Assets And Goodwill (Useful Life Of Intangible Assets) [Abstract] Disclosure - Net Income Per Share (Computation Of Basic And Diluted Net Income Per Share) [Abstract] Disclosure Net Income Per Share Computation Of Basic And Diluted Net Income Per Share [Abstract] Disclosure - Net Income Per Share (Computation Of Basic And Diluted Net Income Per Share) [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Equity Incentive Plan and Stock-Based Compensation Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block] Schedule Of Activities And Related Information Disclosure - Ongoing Bankruptcy Related Matters [Abstract] Disclosure Ongoing Bankruptcy Related Matters [Abstract] Disclosure - Ongoing Bankruptcy Related Matters [Abstract] Disclosure - Restructuring Charges (Narrative) [Abstract] Disclosure Restructuring Charges Narrative [Abstract] Disclosure - Restructuring Charges (Narrative) [Abstract] Disclosure - Restructuring Charges (Summary Of Restructuring Activity) [Abstract] Disclosure Restructuring Charges Summary Of Restructuring Activity [Abstract] Disclosure - Restructuring Charges (Summary Of Restructuring Activity) [Abstract] Disposal Group Including Discontinued Operation Other Current Assets Net proceeds of land and building relating to KL facility Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Table] Document Information [Table] Document Period End Date Document Period End Date Document Type Document Type Earnings Per Share [Abstract] Net income per share Net income per share: Earnings Per Share Basic Basic Basic net income per share Earnings Per Share Diluted Diluted Diluted net income per share Earnings Per Share [Text Block] Net Income Per Share Effect Of Exchange Rate On Cash And Cash Equivalents Effect of exchange rate changes on cash and cash equivalents Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs Report Line [Domain] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Unrecognized compensation Employee Service Share Based Compensation Tax Benefit From Compensation Expense Income tax benefit related to stock-based compensation Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name Entity Registrant Name Equipment [Member] Equipment [Member] Estimate Of Fair Value Fair Value Disclosure [Member] Estimated Fair Value [Member] Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value By Balance Sheet Grouping Disclosure Item Amounts [Axis] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value Disclosure Item Amounts [Domain] Fair Value, Disclosure Item Amounts [Domain] Fair Value Estimate Not Practicable Financial Statement Captions [Line Items] Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items] Fair Value Estimate Not Practicable [Table] Fair Value, Estimate Not Practicable [Table] Fair Value Hedges Maturity Fair Value Hedges Maturity Foreign currency forward contracts Fair Value Inputs Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value Inputs Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value Measurement Inputs Disclosure [Text Block] Fair Value Measurement Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Finite Lived Intangible Assets Accumulated Amortization Accumulated Amortization Finite Lived Intangible Assets Amortization Expense After Year Five Fiscal 2017 and beyond Finite Lived Intangible Assets Amortization Expense Next Twelve Months Fiscal 2012 (remaining 6 months) Finite Lived Intangible Assets Amortization Expense Year Five Fiscal 2016 Finite Lived Intangible Assets Amortization Expense Year Four Fiscal 2015 Finite Lived Intangible Assets Amortization Expense Year Three Fiscal 2014 Finite Lived Intangible Assets Amortization Expense Year Two Fiscal 2013 Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Gross Gross Amount Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite Lived Intangible Assets Net Net Amount Finite Lived Intangible Asset Useful Life Estimated Useful Life In Years Fiscal Two Thousand Eleven Restructuring Plan [Member] Fiscal Two Thousand Eleven Restructuring Plan [Member] Fiscal 2011 Restructuring Plan [Member] Fiscal Two Thousand Nine And Two Thousand Ten Restructuring Plan [Member]. Fiscal Two Thousand Nine And Two Thousand Ten Restructuring Plan [Member] Fiscal 2009/10 Restructuring Plan [Member] Foreign Currency Forward Contracts [Member] Foreign Currency Forward Contracts [Member] Foreign Currency Forward Contracts [Member] Gain Loss On Cash Flow Hedge Ineffectiveness Net Net gain or loss recognized for cash flow hedges due to hedge ineffectiveness Gain Loss On Disposition Of Assets Gain from sale of fixed assets Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Foreign Currency Forward Contracts Gain Loss On Sale Of Debt Investments Gain on liquidation of auction rate securities Gain Loss On Sale Of Land Gain Loss On Sale Of Land Net gain on sale of Kuala Lumpur land and building Gain Loss On Sale Of Property Plant Equipment Net gain on sale and disposal of property, plant and equipment Gains Or Losses Reclassified From Accumulated Other Comprehensive Income To Earnings Gains Or Losses Reclassified From Accumulated Other Comprehensive Income To Earnings Accumulated other comprehensive income to earnings as related forecasted revenue transactions occur General And Administrative Expense Sales, general and administrative Goodwill Goodwill Goodwill Goodwill Goodwill Acquired During Period Goodwill from consolidation of VIE (subsequently acquired on April 1, 2012) Goodwill And Intangible Assets Disclosure [Text Block] Intangible Assets and Goodwill Goodwill And Other Intangibles [Line Items] Goodwill And Other Intangibles [Line Items] Goodwill And Other Intangibles [Line Items] Goodwill [Line Items] Goodwill [Line Items] Goodwill Purchase Accounting Adjustments Adjustment to fresh start accounting Goodwill Translation Adjustments Translation gain (loss) Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Income before income taxes Income Statement [Abstract] Income Statement [Abstract] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Income Tax Contingency [Table] Income Tax Contingency [Table] Income Tax Disclosure [Text Block] Income Taxes Income Tax Excess Tax Benefits Income Tax Excess Tax Benefits Income tax benefit realized from stock option exercises Income tax benefits related to stock-based compensation Income Tax Expense Benefit Income tax expense Provision for income taxes Increase decrease operating assets and liabilities Increase Decrease Operating Assets And Liabilities Changes in assets and liabilities Incremental Common Shares Attributable To Share Based Payment Arrangements Effect of dilutive securities Indefinite Lived Intangible Assets By Major Class [Line Items] Indefinite-lived Intangible Assets [Line Items] Intangible Assets Net Excluding Goodwill Intangible assets, net Intellectual Property Research And Development [Member]. Intellectual Property Research And Development [Member] IP R&D [Member] Interest Expense Interest expense Interest Rate Swap [Member] Interest Rate Swaps [Member] Inventory Finished Goods Finished goods Inventory Net Inventories Inventories Inventory Raw Materials Raw materials Inventory Work In Process Work-in-process Investment Geographic Region [Axis] Investment Geographic Region [Axis] Investment Geographic Region [Domain] Investment Geographic Region [Domain] Key Executive RSU Activity [Member] Key Executive Rsu Activity [Member] Key Executive RSU Activity [Member] Key executive RSU [Member] Key Executive Rsu [Member] Key Executive RSU [Member] Key Executives Restricted Stock Units Certain Executives [Member] Key Executives Restricted Stock Units Certain Executives [Member] Key Executive RSUs (Certain Executives) [Member] Land [Member] Land [Member] Legal Entity [Axis] Legal Entity [Axis] Liabilities Total liabilities Liabilities And Stockholders Equity Total liabilities and equity Liabilities And Stockholders Equity [Abstract] Liabilities and equity Liabilities Current Total current liabilities Liabilities Current [Abstract] Current liabilities: Liabilities Fair Value Disclosure Total financial liabilities Liabilities recorded for purchases of property, plant and equipment Liabilities Recorded For Purchases Of Property Plant And Equipment Liabilities recorded for purchases of property, plant and equipment Limited product warranty, period. Limited Product Warranty Period Limited product warranty, years Long Term Debt Total debt Long Term Debt Current Current portion of long-term debt Less: current portion Long Term Debt Noncurrent Long-term debt Long-term debt, less current portion Long Term Purchase Commitment [Line Items] Long-term Purchase Commitment [Line Items] Long Term Purchase Commitment [Table] Long-term Purchase Commitment [Table] Major Types Of Debt And Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types Of Debt And Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Minority Interest Noncontrolling interest Money Market Funds At Carrying Value Money market funds Money Market Funds [Member] Money Market Funds [Member] Net Cash Provided By Used In Financing Activities Net cash used for financing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash Flows from Financing Activities: Net Cash Provided By Used In Investing Activities Net cash provided by (used for) investing activities Net Cash Provided By Used In Investing Activities [Abstract] Cash Flows from Investing Activities: Net Cash Provided By Used In Operating Activities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities [Abstract] Cash Flows from Operating Activities: Net Gain On Asset Sales Net Gain On Asset Sales Gain on sale of equipment Net Income Loss Net income Net income attributable to Spansion Inc. common stockholders Net Income Loss [Abstract] Numerator: Net Income Loss Attributable To Noncontrolling Interest Less: Net loss attributable to the noncontrolling interest Net Unrealized Loss Gain On Derivatives Accounted For As Cash Flow Hedges Deferred Income Taxes Net Unrealized Loss Gain On Derivatives Accounted For As Cash Flow Hedges Deferred Income Taxes Intrinsic value of its cash flow hedges in accumulated other comprehensive income Non-cash inventory expenses related to fresh start markup Non Cash Inventory Expenses Related To Fresh Start Markup Amortization of inventory fresh start markup Nondesignated [Member] Derivatives Not Designated as Hedging Instrument [Member] Nonoperating Income Expense Interest and other income (expense), net Notional Equivalent Of Outstanding Contracts To Sell Notional Equivalent Of Outstanding Contracts To Sell Notional equivalent of outstanding contracts to sell Ongoing Bankruptcy Related Matters [Line Items] Ongoing Bankruptcy Related Matters [Line Items] Ongoing Bankruptcy Related Matters [Line Items] Ongoing Bankruptcy Related Matters [Table] Ongoing Bankruptcy Related Matters [Table] Ongoing Bankruptcy Related Matters [Table] Ongoing Bankruptcy Related Matters [Text Block] Ongoing Bankruptcy Related Matters [Text Block] Ongoing Bankruptcy Related Matters Operating Income Loss Operating income Operating Loss Carryforward Amount Subject to Annual Limitations Operating Loss Carryforward Amount Subject To Annual Limitations Federal net operating loss carry forwards Operating Loss Carryforward Limitation Amount Operating Loss Carryforward Limitation Amount Federal net operating loss carry forwards, annual limitation Operating Loss Carryforwards Expiration Dates Net operating losses, expiration period Other Accrued Liabilities Current Other accrued liabilities Other Accrued Liabilities [Member] Other Accrued Liabilities [Member] Other Accrued Liabilities [Member] Other Assets Noncurrent Other assets Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax Foreign currency translation gain (loss) Other Comprehensive Income Loss Net Of Tax Other comprehensive income (loss), net of tax: Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Other comprehensive income (loss), net of tax: Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax Unrealized gain on cash flow hedges Net increase in fair value of the cash flow hedges Net unrealized gain recognized in OCI Other Liabilities Noncurrent Other long-term liabilities Other Long Term Liabilities [Member] Other Long Term Liabilities [Member] Other Long Term Liabilities [Member] Outside The United States Of America [Member] Outside United States Of America [Member] Outside The United States Of America [Member] Payments For Hedge Financing Activities Cash settlement on hedging activies Payments To Acquire Marketable Securities Purchases of marketable securities Payments To Acquire Property Plant And Equipment Purchases of property, plant and equipment Payments To Minority Shareholders Acquisition of noncontrolling interest Percentage Of Stock Award Subject To Performance Goals Percentage Of Stock Award Subject To Performance Goals vesting percentage time based in each year Preferred Stock Par Or Stated Value Per Share Preferred stock, par value Preferred Stock Shares Authorized Preferred stock, shares authorized Preferred Stock Shares Issued Preferred stock, shares issued Preferred Stock Shares Outstanding Preferred stock, shares outstanding Preferred Stock Value Preferred stock, $0.001 par value, 50,000,000 shares authorized, 0 shares issued and outstanding Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Prepaid Expenses And Other Current Assets [Member] Prepaid Expenses And Other Current Assets [Member] Prepaid Expenses And Other Current Assets [Member] Proceeds From Sale And Maturity Of Marketable Securities Proceeds from maturities of marketable securities Proceeds From Sale Maturity And Collections Of Investments Proceeds from liquidation of auction rate securities Proceeds From Sale Of Property Plant And Equipment Proceeds from sale of property, plant and equipment Proceeds From Stock Options Exercised Proceeds from issuance of common stock due to options exercised Product Liability Contingency [Line Items] Product Liability Contingency [Line Items] Product Liability Contingency [Table] Product Liability Contingency [Table] Product Warranty Accrual Balance at end of period Balance at beginning of period Product Warranty Accrual Payments Settlements made Product Warranty Accrual Preexisting Increase Decrease Changes in liability for pre-existing warranties during the period Product Warranty Accrual Warranties Issued Provision for warranties issued Profit Loss Net income Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Gross Property, plant and equipment, gross Property Plant And Equipment Net Property, plant and equipment, net Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Purchase of Bankruptcy Claims Purchase Of Bankruptcy Claims Purchase of bankruptcy claims Range [Axis] Range [Axis] Range [Member] Range [Domain] Relocation of property, plant and equipment Relocation Of Property Plant And Equipment Asset relocation fees Repayments Of Long Term Debt And Capital Securities Payments on debt and capital lease obligations Research And Development Capitalization During Period Research And Development Capitalization During Period ResearchAndDevelopmentCapitalizationDuringPeriod Research and Development, Capitalization, Total Research And Development Capitalization Total ResearchAndDevelopmentCapitalizationTotal Research And Development Expense Research and development Research And Development [Member] Research And Development [Member] Research And Development [Member] Restricted Stock Units R S U [Member] Restricted Stock Units (RSUs) [Member] Restructuring And Related Activities Disclosure [Text Block] Restructuring and Others Restructuring Charges Restructuring charges Restructuring charges (credits) Restructuring charges Restructuring Cost And Reserve [Axis] Restructuring Type [Axis] Restructuring Cost And Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring credit. Restructuring Credit Restructuring credit Restructuring credits Restructuring Reserve Balance Balance Restructuring Reserve Settled With Cash Cash payments Restructuring Reserve Settled Without Cash Non-cash adjustments Retained Earnings Accumulated Deficit Accumulated deficit RSU And Key Executive RSU [Member] R S U And Key Executive R S U [Member] RSU And Key Executive RSU [Member] Sales, General and Administrative [Member] Sales General And Administrative [Member] Sales, General And Administrative [Member] Sales Revenue Net Net sales Schedule Of Amounts Recognized In Balance Sheet Table [Text Block] Schedule Of Balance Sheet Components Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share Table [Text Block] Computation Of Basic And Diluted Net Income Per Share Schedule Of Components Of Income Tax Expense Benefit Table [Text Block] Components Of Income Tax Expenses Schedule Of Condensed Consolidated Statements Of Operations From Derivative Financial Instruments Table [Text Block] Schedule Of Condensed Consolidated Statements Of Operations From Derivative Financial Instruments Table [Text Block] Effect Of Derivative Instruments On The Consolidated Statements Of Operations Schedule Of Debt Table [Text Block] Summary Of Debt Schedule Of Derivative Instrument Related To Other Comprehensive Income Table [Text Block] Schedule Of Derivative Instrument Related To Other Comprehensive Income Table [Text Block] Summary Of Derivative-Related Activity In Accumulated Other Comprehensive Income Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs By Report Line [Axis] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Schedule Of Total Recorded Stock-Based Compensation Expense Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Financial Assets And Liabilities Categorized Based Upon The Fair Value Hierarchy Schedule Of Fair Value Of Derivative Instruments On Balance Sheet Table [Text Block] Schedule Of Fair Value Of Derivative Instruments On Balance Sheet Table [Text Block] Gross Fair Values Of Instruments On The Condensed Consolidated Balance Sheets Schedule Of Fair Value Of Separate Accounts By Major Category Of Investment [Axis] Schedule of Fair Value of Separate Accounts by Major Category of Investment [Axis] Schedule Of Fair Value Of Separate Accounts By Major Category Of Investment Category [Domain] Schedule of Fair Value of Separate Accounts by Major Category of Investment, Category [Domain] Schedule Of Financial Instruments Not Carried At Fair Value [Table Text Block] Schedule Of Financial Instruments Not Carried At Fair Value Table [Text Block] Schedule Of Financial Instruments Not Carried At Fair Value Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block] Summary Of Amortization Expense And Estimated Future Amortization Expenses Schedule Of Finite Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Schedule Of Finite Lived Intangible Assets Table [Text Block] Useful Life Of Intangible Assets Schedule Of Goodwill And Other Intangibles [Table] Schedule Of Goodwill And Other Intangibles [Table] Schedule Of Goodwill And Other Intangibles [Table] Schedule Of Goodwill [Table] Schedule of Goodwill [Table] Schedule Of Goodwill [Text Block] Schedule Of Goodwill Schedule Of Indefinite Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Schedule Of Intangible Assets And Goodwill Table [Text Block] Schedule Of Intangible Assets Schedule Of Product Warranty Liability Table [Text Block] Schedule Of Changes In The Liability For Product Warranty Schedule Of Restructuring And Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Schedule Of Restructuring Reserve By Type Of Cost [Text Block] Summary Of Restructuring Activity Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Schedule Of Weighted Average Fair Value Of Stock Options Granted Secured Debt Term Loan Term Loan outstanding, amount Severance And Other Employee Related Costs And Outside Service Costs Severance And Other Employee Related Costs And Outside Service Costs Utility cost and others Severance Costs Severance and employee related costs Share Based Compensation Compensation recognized under employee stock plans Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting Percentage of Award Share Based Compensation Arrangement By Share Based Payment Award Accelerated Vesting Percentage Of Award Accelerated vesting on July 31, 2012 Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period 1 Vesting period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Number of shares, Canceled/Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Number of shares, Granted Awards granted, net of forfeitures/cancellations Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Number of shares Outstanding, Ending Number of shares Outstanding, Beginning Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Number of shares, Vested Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Dividend yield Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term 1 Expected term (in years) Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Ending balance Beginning balance Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value 1 Total vested and exercisable as of July 1, 2012 Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Total vested and exercisable as of July 1, 2012 Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Total vested and exercisable as of July 1, 2012 Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term 1 Total vested and exercisable as of July 1, 2012 Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value Exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Remaining Contractual Term Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Remaining Contractual Term Exercised Share Based Compensation Arrangement By Share Based Payment Award Options Forfeited Weighted Average Remaining Contractual Term Share Based Compensation Arrangement By Share Based Payment Award Options Forfeited Weighted Average Remaining Contractual Term Canceled/Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Intrinsic Value Canceled/Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Canceled/Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Stock options granted, net of forfeitures/cancellations Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Total Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Total Intrinsic Value Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Weighted average fair value of stock options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Table [Text Block] Weighted Average Fair Value Of Stock Options Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Remaining Contractual Term Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Remaining Contractual Term Granted Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Ending balance Beginning balnce Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Outstanding stock options as of July 1, 2012 Outstanding stock options as of December 25, 2011 Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Period Increase Decrease Additional shares issuable under 2010 Plan (annual increase for 2012) Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Ending balance Beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 3 Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term 3 Ending balance Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price Weighted Average Exercise Price, Vested Share Based Compensation Arrangement By Share Based Payment Award Types Of Plan [Axis] Share Based Compensation Arrangement By Share Based Payment Award Types Of Plan [Axis] Share Based Compensation Arrangement By Share Based Payment Award Types Of Plan [Axis] Share Based Compensation Arrangement By Share Based Payment Award Types Of Plan [Domain] Share Based Compensation Arrangement By Share Based Payment Award Types Of Plan [Domain] Share Based Compensation Arrangement By Share Based Payment Award Types Of Plan [Domain] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Award Type [Domain] Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Exercised Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Canceled/Forfeited Weighted Average Exercise Price, Canceled/Forfeited Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Granted Weighted Average Exercise Price, Granted Share Based Compensation Percentage of Stock Awards subject to Performance Goals that can vest. Share Based Compensation Percentage Of Stock Awards Vested % vesting subject to performance each year Short Term Borrowings China Working Capital loan facility Short Term Investments Short-term investments Short Term Investments [Member] Short-term Investments [Member] Significant Purchase Commitment Remaining Minimum Amount Committed Purchase commitments Statement Class Of Stock [Axis] Class of Stock [Axis] Statement [Line Items] Statement [Line Items] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement Of Income And Comprehensive Income [Abstract] Statement of Other Comprehensive Income [Abstract] Statement [Table] Statement [Table] Stockholders Equity Total Spansion Inc. stockholders' equity Stockholders Equity [Abstract] Spansion Inc. Stockholders' equity: Stockholders Equity Including Portion Attributable To Noncontrolling Interest Total equity Stock Issued During Period Shares Stock Options Exercised Exercised Stock Option [Member] Stock Option [Member] Stock Options [Member] Stock Options [Member] Supplemental Balance Sheet Disclosures [Text Block] Balance Sheet Components Taxes Payable Current Income taxes payable Text Block [Abstract] Text Block [Abstract] Trade Names [Member] Trade Names [Member] Type Of Restructuring [Domain] Type of Restructuring [Domain] Unsecured Debt Senior Unsecured Notes Untraded Debt Untraded Debt Debt not traded in the market U S United States Of America [Member] Use Of Estimates Use of Estimates Weighted Average Number Of Diluted Shares Outstanding Diluted Denominator for diluted net income per share, weighted average shares Weighted Average Number Of Shares Outstanding [Abstract] Denominator: Shares used in per share calculation Weighted Average Number Of Shares Outstanding Basic Basic Denominator for basic net income per share, weighted average shares